21021-4
Suspension
RV&Trailer Leaf Spring
Trailer Parts
5
Peening & Electrophoresis Painting
Free on-Line Technical
15 Months
ISO/TS16949
2
4
Customized (Black, Grey, Dacromet)
New
CDXS
in Pallets
Made in China
7320102000
Product Description

Product Details
Product name | Trailer Leaf Spring |
Thickness×Width | 7×44.5mm, 8×44.5mm, 9×44.5mm, 10×44.5mm, 8×50mm, 9×50mm, 10×50mm |
Total leafs | 5PCS |
Components | Leaf, Bushing, Clips/Clamps, Center bolt, nut, Rivet |
Materials | SUP7, SUP9, SUP9A, SUP10, SUP11A |
Color | Customized (Black, Grey, Dacromet) |
Processing Technology



Cutting & Punching Rolling eye Heat treatment |



Shot peening Assembling Electrophoretic painting |



Laser marking Finishing packing Delivery |
Quality Control



IATF16949 ISO14001 BV |

Spectrometer: Our cutting-edge spectrometer is engineered to meticulously scrutinize the chemical composition of raw materials, ensuring they meet the most rigorous incoming material acceptance criteria.

Universal Testing Machine: This top-tier equipment is utilized for comprehensive raw material performance testing, including assessments of tensile strength, yield strength, elongation, and area reduction, ensuring our products meet the highest standards.

Metallography: After heat treatment, we conduct thorough sample analysis to inspect quenching and tempering structures through advanced microscopy, guaranteeing the heat treatment process adheres to stringent quality norms.

Three Coordinates: We employ precision spatial dimension detection, verify digital model dimensions, and meticulously measure appearance dimensions to achieve unparalleled precision.

Bench Testing Machine: Our innovative, self-developed equipment rigorously measures product size and stiffness, validates product assembly fatigue life, and tests the fatigue life of spring eyes, ensuring longevity and reliability.
Packing & Shipping

FAQ
Q: Can you design and develop according to customer needs?
A: Absolutely! We offer both ODM and OEM services and have successfully introduced hundreds of new products for clients across the globe.
Q: How do you ensure quality?
A: We adhere strictly to the IATF16949 quality management system, utilizing professional testing methods and state-of-the-art equipment from raw material inspection to the final product. We also provide comprehensive factory inspection reports.
Q: Can we print our own logo or label on the springs?
A: Yes, we offer logo printing, label printing, and stamping services to fulfill all your branding requirements.
Q: What is your MOQ?
A: For standard material sizes, the MOQ is 50 pieces. For special material sizes, the MOQ is 5 tons or more.
Q: Is it possible to have a sample for quality testing?
A: Yes, please provide detailed specifications, and we will be happy to supply a sample.
A: We accept T/T, L/C, and Cash payments.
Q: Can you design and develop according to customer needs?
A: Absolutely! We offer both ODM and OEM services and have successfully introduced hundreds of new products for clients across the globe.
Q: How do you ensure quality?
A: We adhere strictly to the IATF16949 quality management system, utilizing professional testing methods and state-of-the-art equipment from raw material inspection to the final product. We also provide comprehensive factory inspection reports.
Q: Can we print our own logo or label on the springs?
A: Yes, we offer logo printing, label printing, and stamping services to fulfill all your branding requirements.
Q: What is your MOQ?
A: For standard material sizes, the MOQ is 50 pieces. For special material sizes, the MOQ is 5 tons or more.
Q: Is it possible to have a sample for quality testing?
A: Yes, please provide detailed specifications, and we will be happy to supply a sample.
A: We accept T/T, L/C, and Cash payments.